In 2008, American illusionist David Blaine undertook a daring stunt called "The Dive of Death," where he hung upside down for an impressive 60 hours. Could prolonged inversion be harmful? This episode explores the practice of inversion therapy, a technique used to enhance circulation and alleviate back pain.

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Note: This video is not a substitute for professional medical advice, diagnosis, or treatment. Always consult a qualified health provider with questions about your health. If you think you may have an emergency, contact your doctor or emergency services immediately.

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